对于可逆反应mA(g)+nB(g) pC(g)+qD(g) 满足下列图象，根据下列图象判断的四种关系正确的是（ ）
| A．m+n>p+q，正反应吸热 | B．m+n>p+q，正反应放热 |
| C．m+n<p+q, 正反应放热 | D．m+n<p+q，正反应吸热 |
相关试题
在反应11P+15CuSO4+24H2O=5Cu3P+6H3PO4+15H2SO4中，1molCuSO4能氧化磷的物质的量是（ ）
| A．2/5 mol | B．1/5 mol | C．11/5 mol | D．1/3 mol |
I can’t leave. She told me that I ______ stay here until she comes back.
| A．can | B．must | C．will | D．may |
—— Do you mind my opening the window? It’s a bit hot in here.
—— ______ , as a matter of fact
| A．Go ahead | B．Yes, my pleasure |
C．Yes, I do | D．Come on |
It’s high time you had your hair cut ; it’s getting _______ . 
| A．too much long | B．much too long |
C．long too much | D．too long much |
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